Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2002-2015 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /**
     * The package separator character '.'
     */
    private static final char PACKAGE_SEPARATOR = '.';
    /**
     * The path separator character '/'
     */
    private static final char PATH_SEPARATOR = '/';

    /**
     * Given an input class object, return a string which consists of the
     * class's package name as a pathname, i.e., all dots ('.') are replaced by
     * slashes ('/'). Neither a leading nor trailing slash is added. The result
     * could be concatenated with a slash and the name of a resource and fed
     * directly to {@code ClassLoader.getResource()}. For it to be fed to
     * {@code Class.getResource} instead, a leading slash would also have
     * to be prepended to the returned value.
     *
     * @param clazz the input class. A {@code null} value or the default
     *              (empty) package will result in an empty string ("") being returned.
     * @return a path which represents the package name
     * @see ClassLoader#getResource
     * @see Class#getResource
     */
    public static String classPackageAsResourcePath(Class<?> clazz) {
        if (clazz == null) {
            return "";
        }
        String className = clazz.getName();
        int packageEndIndex = className.lastIndexOf(PACKAGE_SEPARATOR);
        if (packageEndIndex == -1) {
            return "";
        }
        String packageName = className.substring(0, packageEndIndex);
        return packageName.replace(PACKAGE_SEPARATOR, PATH_SEPARATOR);
    }
}